Upon Examination,a Person Is Found to Only Have Half the Normal

question 50

Multiple Choice

Upon examination,a person is found to only have half the normal number of LDL-cholesterol receptors.Which of the following best explains this?

• A)pleiotropic inheritance
• B)polygenic inheritance
• C)incomplete dominance
• D)X-linked inheritance

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Definitions:

Lungs

Pair of respiratory organs located in the thorax, responsible for exchanging oxygen and carbon dioxide between the blood and the environment.

Breathing Air

The act of inhaling oxygen from the atmosphere and exhaling carbon dioxide, essential for the survival of terrestrial organisms.

Month

A unit of time, roughly corresponding to the length of one complete cycle of the moon's phases, used in calendars to divide the year.

External Genitalia

The reproductive organs located on the outside of the body, such as the penis and vulva, which are visible and identifiable at birth.